nsrepair2.c File Reference

#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"

Include dependency graph for nsrepair2.c:

Go to the source code of this file.

Classes
struct	acpi_repair_info

Macros
#define	_COMPONENT   ACPI_NAMESPACE
#define	ACPI_SORT_ASCENDING   0
#define	ACPI_SORT_DESCENDING   1
#define	ACPI_FDE_FIELD_COUNT   5
#define	ACPI_FDE_BYTE_BUFFER_SIZE   5
#define	ACPI_FDE_DWORD_BUFFER_SIZE   (ACPI_FDE_FIELD_COUNT * (UINT32) sizeof (UINT32))

Typedefs
typedef ACPI_STATUS(*	ACPI_REPAIR_FUNCTION) (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
typedef struct acpi_repair_info	ACPI_REPAIR_INFO

Functions
static const ACPI_REPAIR_INFO *	AcpiNsMatchComplexRepair (ACPI_NAMESPACE_NODE *Node)
static ACPI_STATUS	AcpiNsRepair_ALR (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_CID (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_CST (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_FDE (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_HID (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_PRT (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_PSS (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsRepair_TSS (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)
static ACPI_STATUS	AcpiNsCheckSortedList (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT *ReturnObject, UINT32 StartIndex, UINT32 ExpectedCount, UINT32 SortIndex, UINT8 SortDirection, char *SortKeyName)
static void	AcpiNsRemoveElement (ACPI_OPERAND_OBJECT *ObjDesc, UINT32 Index)
static void	AcpiNsSortList (ACPI_OPERAND_OBJECT **Elements, UINT32 Count, UINT32 Index, UINT8 SortDirection)
ACPI_STATUS	AcpiNsComplexRepairs (ACPI_EVALUATE_INFO *Info, ACPI_NAMESPACE_NODE *Node, ACPI_STATUS ValidateStatus, ACPI_OPERAND_OBJECT **ReturnObjectPtr)

Variables
static const ACPI_REPAIR_INFO	AcpiNsRepairableNames []

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_NAMESPACE

Definition at line 49 of file nsrepair2.c.

ACPI_FDE_BYTE_BUFFER_SIZE

#define ACPI_FDE_BYTE_BUFFER_SIZE   5

Definition at line 183 of file nsrepair2.c.

ACPI_FDE_DWORD_BUFFER_SIZE

#define ACPI_FDE_DWORD_BUFFER_SIZE   (ACPI_FDE_FIELD_COUNT * (UINT32) sizeof (UINT32))

Definition at line 184 of file nsrepair2.c.

ACPI_FDE_FIELD_COUNT

#define ACPI_FDE_FIELD_COUNT   5

Definition at line 182 of file nsrepair2.c.

ACPI_SORT_ASCENDING

#define ACPI_SORT_ASCENDING   0

Definition at line 128 of file nsrepair2.c.

ACPI_SORT_DESCENDING

#define ACPI_SORT_DESCENDING   1

Definition at line 129 of file nsrepair2.c.

Typedef Documentation

ACPI_REPAIR_FUNCTION

typedef ACPI_STATUS(* ACPI_REPAIR_FUNCTION) (ACPI_EVALUATE_INFO *Info, ACPI_OPERAND_OBJECT **ReturnObjectPtr)

Definition at line 58 of file nsrepair2.c.

ACPI_REPAIR_INFO

typedef struct acpi_repair_info ACPI_REPAIR_INFO

Function Documentation

AcpiNsCheckSortedList()

static ACPI_STATUS AcpiNsCheckSortedList ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT *  ReturnObject, UINT32  StartIndex, UINT32  ExpectedCount, UINT32  SortIndex, UINT8  SortDirection, char *  SortKeyName  )

static

Definition at line 876 of file nsrepair2.c.

{
    UINT32                  OuterElementCount;
    ACPI_OPERAND_OBJECT     **OuterElements;
    ACPI_OPERAND_OBJECT     **Elements;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    UINT32                  i;
    UINT32                  PreviousValue;
 
 
    ACPI_FUNCTION_NAME (NsCheckSortedList);
 
 
    /* The top-level object must be a package */
 
    if (ReturnObject->Common.Type != ACPI_TYPE_PACKAGE)
    {
        return (AE_AML_OPERAND_TYPE);
    }
 
    /*
     * NOTE: assumes list of subpackages contains no NULL elements.
     * Any NULL elements should have been removed by earlier call
     * to AcpiNsRemoveNullElements.
     */
    OuterElementCount = ReturnObject->Package.Count;
    if (!OuterElementCount || StartIndex >= OuterElementCount)
    {
        return (AE_AML_PACKAGE_LIMIT);
    }
 
    OuterElements = &ReturnObject->Package.Elements[StartIndex];
    OuterElementCount -= StartIndex;
 
    PreviousValue = 0;
    if (SortDirection == ACPI_SORT_DESCENDING)
    {
        PreviousValue = ACPI_UINT32_MAX;
    }
 
    /* Examine each subpackage */
 
    for (i = 0; i < OuterElementCount; i++)
    {
        /* Each element of the top-level package must also be a package */
 
        if ((*OuterElements)->Common.Type != ACPI_TYPE_PACKAGE)
        {
            return (AE_AML_OPERAND_TYPE);
        }
 
        /* Each subpackage must have the minimum length */
 
        if ((*OuterElements)->Package.Count < ExpectedCount)
        {
            return (AE_AML_PACKAGE_LIMIT);
        }
 
        Elements = (*OuterElements)->Package.Elements;
        ObjDesc = Elements[SortIndex];
 
        if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
        {
            return (AE_AML_OPERAND_TYPE);
        }
 
        /*
         * The list must be sorted in the specified order. If we detect a
         * discrepancy, sort the entire list.
         */
        if (((SortDirection == ACPI_SORT_ASCENDING) &&
                (ObjDesc->Integer.Value < PreviousValue)) ||
            ((SortDirection == ACPI_SORT_DESCENDING) &&
                (ObjDesc->Integer.Value > PreviousValue)))
        {
            AcpiNsSortList (&ReturnObject->Package.Elements[StartIndex],
                OuterElementCount, SortIndex, SortDirection);
 
            Info->ReturnFlags |= ACPI_OBJECT_REPAIRED;
 
            ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
                "%s: Repaired unsorted list - now sorted by %s\n",
                Info->FullPathname, SortKeyName));
            return (AE_OK);
        }
 
        PreviousValue = (UINT32) ObjDesc->Integer.Value;
        OuterElements++;
    }
 
    return (AE_OK);
}

Referenced by AcpiNsRepair_ALR(), AcpiNsRepair_CST(), AcpiNsRepair_PSS(), and AcpiNsRepair_TSS().

AcpiNsComplexRepairs()

ACPI_STATUS AcpiNsComplexRepairs	(	ACPI_EVALUATE_INFO *	Info,
		ACPI_NAMESPACE_NODE *	Node,
		ACPI_STATUS	ValidateStatus,
		ACPI_OPERAND_OBJECT **	ReturnObjectPtr
	)

Definition at line 206 of file nsrepair2.c.

{
    const ACPI_REPAIR_INFO  *Predefined;
    ACPI_STATUS             Status;
 
 
    ACPI_FUNCTION_TRACE (NsComplexRepairs);
 
    /* Check if this name is in the list of repairable names */
 
    Predefined = AcpiNsMatchComplexRepair (Node);
    if (!Predefined)
    {
        return_ACPI_STATUS (ValidateStatus);
    }
 
    Status = Predefined->RepairFunction (Info, ReturnObjectPtr);
    return_ACPI_STATUS (Status);
}

Referenced by AcpiNsCheckReturnValue().

AcpiNsMatchComplexRepair()

static const ACPI_REPAIR_INFO * AcpiNsMatchComplexRepair ( ACPI_NAMESPACE_NODE *  Node )

static

Definition at line 244 of file nsrepair2.c.

{
    const ACPI_REPAIR_INFO  *ThisName;
 
 
    /* Search info table for a repairable predefined method/object name */
 
    ThisName = AcpiNsRepairableNames;
    while (ThisName->RepairFunction)
    {
        if (ACPI_COMPARE_NAMESEG (Node->Name.Ascii, ThisName->Name))
        {
            return (ThisName);
        }
 
        ThisName++;
    }
 
    return (NULL); /* Not found */
}

Referenced by AcpiNsComplexRepairs().

AcpiNsRemoveElement()

static void AcpiNsRemoveElement ( ACPI_OPERAND_OBJECT *  ObjDesc, UINT32  Index  )

static

Definition at line 1047 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     **Source;
    ACPI_OPERAND_OBJECT     **Dest;
    UINT32                  Count;
    UINT32                  NewCount;
    UINT32                  i;
 
 
    ACPI_FUNCTION_NAME (NsRemoveElement);
 
 
    Count = ObjDesc->Package.Count;
    NewCount = Count - 1;
 
    Source = ObjDesc->Package.Elements;
    Dest = Source;
 
    /* Examine all elements of the package object, remove matched index */
 
    for (i = 0; i < Count; i++)
    {
        if (i == Index)
        {
            AcpiUtRemoveReference (*Source); /* Remove one ref for being in pkg */
            AcpiUtRemoveReference (*Source);
        }
        else
        {
            *Dest = *Source;
            Dest++;
        }
 
        Source++;
    }
 
    /* NULL terminate list and update the package count */
 
    *Dest = NULL;
    ObjDesc->Package.Count = NewCount;
}

Referenced by AcpiNsRepair_CST().

AcpiNsRepair_ALR()

static ACPI_STATUS AcpiNsRepair_ALR ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 283 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_STATUS             Status;
 
 
    Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 2, 1,
        ACPI_SORT_ASCENDING, "AmbientIlluminance");
 
    return (Status);
}

AcpiNsRepair_CID()

static ACPI_STATUS AcpiNsRepair_CID ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 412 of file nsrepair2.c.

{
    ACPI_STATUS             Status;
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     **ElementPtr;
    ACPI_OPERAND_OBJECT     *OriginalElement;
    UINT16                  OriginalRefCount;
    UINT32                  i;
 
    ACPI_FUNCTION_TRACE (NsRepair_CID);
 
    /* Check for _CID as a simple string */
 
    if (ReturnObject->Common.Type == ACPI_TYPE_STRING)
    {
        Status = AcpiNsRepair_HID (Info, ReturnObjectPtr);
        return_ACPI_STATUS (Status);
    }
 
    /* Exit if not a Package */
 
    if (ReturnObject->Common.Type != ACPI_TYPE_PACKAGE)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    /* Examine each element of the _CID package */
 
    ElementPtr = ReturnObject->Package.Elements;
    for (i = 0; i < ReturnObject->Package.Count; i++)
    {
        OriginalElement = *ElementPtr;
        OriginalRefCount = OriginalElement->Common.ReferenceCount;
 
        Status = AcpiNsRepair_HID (Info, ElementPtr);
        if (ACPI_FAILURE (Status))
        {
            return_ACPI_STATUS (Status);
        }
 
        if (OriginalElement != *ElementPtr)
        {
            /* Update reference count of new object */
 
            (*ElementPtr)->Common.ReferenceCount =
                OriginalRefCount;
 
            /*
             * The OriginalElement holds a reference from the package object
             * that represents _HID. Since a new element was created by _HID,
             * remove the reference from the _CID package.
             */
            AcpiUtRemoveReference (OriginalElement);
        }
 
        ElementPtr++;
    }
 
    return_ACPI_STATUS (AE_OK);
}

AcpiNsRepair_CST()

static ACPI_STATUS AcpiNsRepair_CST ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 495 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     **OuterElements;
    UINT32                  OuterElementCount;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_STATUS             Status;
    BOOLEAN                 Removing;
    UINT32                  i;
 
 
    ACPI_FUNCTION_NAME (NsRepair_CST);
 
 
    /*
     * Check if the C-state type values are proportional.
     */
    OuterElementCount = ReturnObject->Package.Count - 1;
    i = 0;
    while (i < OuterElementCount)
    {
        OuterElements = &ReturnObject->Package.Elements[i + 1];
        Removing = FALSE;
 
        if ((*OuterElements)->Package.Count == 0)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO,
                Info->FullPathname, Info->NodeFlags,
                "SubPackage[%u] - removing entry due to zero count", i));
            Removing = TRUE;
            goto RemoveElement;
        }
 
        ObjDesc = (*OuterElements)->Package.Elements[1]; /* Index1 = Type */
        if ((UINT32) ObjDesc->Integer.Value == 0)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO,
                Info->FullPathname, Info->NodeFlags,
                "SubPackage[%u] - removing entry due to invalid Type(0)", i));
            Removing = TRUE;
        }
 
RemoveElement:
        if (Removing)
        {
            AcpiNsRemoveElement (ReturnObject, i + 1);
            OuterElementCount--;
        }
        else
        {
            i++;
        }
    }
 
    /* Update top-level package count, Type "Integer" checked elsewhere */
 
    ObjDesc = ReturnObject->Package.Elements[0];
    ObjDesc->Integer.Value = OuterElementCount;
 
    /*
     * Entries (subpackages) in the _CST Package must be sorted by the
     * C-state type, in ascending order.
     */
    Status = AcpiNsCheckSortedList (Info, ReturnObject, 1, 4, 1,
        ACPI_SORT_ASCENDING, "C-State Type");
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }
 
    return (AE_OK);
}

AcpiNsRepair_FDE()

static ACPI_STATUS AcpiNsRepair_FDE ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 316 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     *BufferObject;
    UINT8                   *ByteBuffer;
    UINT32                  *DwordBuffer;
    UINT32                  i;
 
 
    ACPI_FUNCTION_NAME (NsRepair_FDE);
 
 
    switch (ReturnObject->Common.Type)
    {
    case ACPI_TYPE_BUFFER:
 
        /* This is the expected type. Length should be (at least) 5 DWORDs */
 
        if (ReturnObject->Buffer.Length >= ACPI_FDE_DWORD_BUFFER_SIZE)
        {
            return (AE_OK);
        }
 
        /* We can only repair if we have exactly 5 BYTEs */
 
        if (ReturnObject->Buffer.Length != ACPI_FDE_BYTE_BUFFER_SIZE)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO,
                Info->FullPathname, Info->NodeFlags,
                "Incorrect return buffer length %u, expected %u",
                ReturnObject->Buffer.Length, ACPI_FDE_DWORD_BUFFER_SIZE));
 
            return (AE_AML_OPERAND_TYPE);
        }
 
        /* Create the new (larger) buffer object */
 
        BufferObject = AcpiUtCreateBufferObject (
            ACPI_FDE_DWORD_BUFFER_SIZE);
        if (!BufferObject)
        {
            return (AE_NO_MEMORY);
        }
 
        /* Expand each byte to a DWORD */
 
        ByteBuffer = ReturnObject->Buffer.Pointer;
        DwordBuffer = ACPI_CAST_PTR (UINT32,
            BufferObject->Buffer.Pointer);
 
        for (i = 0; i < ACPI_FDE_FIELD_COUNT; i++)
        {
            *DwordBuffer = (UINT32) *ByteBuffer;
            DwordBuffer++;
            ByteBuffer++;
        }
 
        ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
            "%s Expanded Byte Buffer to expected DWord Buffer\n",
            Info->FullPathname));
        break;
 
    default:
 
        return (AE_AML_OPERAND_TYPE);
    }
 
    /* Delete the original return object, return the new buffer object */
 
    AcpiUtRemoveReference (ReturnObject);
    *ReturnObjectPtr = BufferObject;
 
    Info->ReturnFlags |= ACPI_OBJECT_REPAIRED;
    return (AE_OK);
}

AcpiNsRepair_HID()

static ACPI_STATUS AcpiNsRepair_HID ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 587 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     *NewString;
    char                    *Source;
    char                    *Dest;
 
 
    ACPI_FUNCTION_NAME (NsRepair_HID);
 
 
    /* We only care about string _HID objects (not integers) */
 
    if (ReturnObject->Common.Type != ACPI_TYPE_STRING)
    {
        return_ACPI_STATUS (AE_OK);
    }
 
    if (ReturnObject->String.Length == 0)
    {
        ACPI_WARN_PREDEFINED ((AE_INFO,
            Info->FullPathname, Info->NodeFlags,
            "Invalid zero-length _HID or _CID string"));
 
        /* Return AE_OK anyway, let driver handle it */
 
        Info->ReturnFlags |= ACPI_OBJECT_REPAIRED;
        return_ACPI_STATUS (AE_OK);
    }
 
    /* It is simplest to always create a new string object */
 
    NewString = AcpiUtCreateStringObject (ReturnObject->String.Length);
    if (!NewString)
    {
        return_ACPI_STATUS (AE_NO_MEMORY);
    }
 
    /*
     * Remove a leading asterisk if present. For some unknown reason, there
     * are many machines in the field that contains IDs like this.
     *
     * Examples: "*PNP0C03", "*ACPI0003"
     */
    Source = ReturnObject->String.Pointer;
    if (*Source == '*')
    {
        Source++;
        NewString->String.Length--;
 
        ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
            "%s: Removed invalid leading asterisk\n", Info->FullPathname));
    }
 
    /*
     * Copy and uppercase the string. From the ACPI 5.0 specification:
     *
     * A valid PNP ID must be of the form "AAA####" where A is an uppercase
     * letter and # is a hex digit. A valid ACPI ID must be of the form
     * "NNNN####" where N is an uppercase letter or decimal digit, and
     * # is a hex digit.
     */
    for (Dest = NewString->String.Pointer; *Source; Dest++, Source++)
    {
        *Dest = (char) toupper ((int) *Source);
    }
 
    AcpiUtRemoveReference (ReturnObject);
    *ReturnObjectPtr = NewString;
    return_ACPI_STATUS (AE_OK);
}

Referenced by AcpiNsRepair_CID().

AcpiNsRepair_PRT()

static ACPI_STATUS AcpiNsRepair_PRT ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 678 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *PackageObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     **TopObjectList;
    ACPI_OPERAND_OBJECT     **SubObjectList;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    ACPI_OPERAND_OBJECT     *SubPackage;
    UINT32                  ElementCount;
    UINT32                  Index;
 
 
    /* Each element in the _PRT package is a subpackage */
 
    TopObjectList = PackageObject->Package.Elements;
    ElementCount = PackageObject->Package.Count;
 
    /* Examine each subpackage */
 
    for (Index = 0; Index < ElementCount; Index++, TopObjectList++)
    {
        SubPackage = *TopObjectList;
        SubObjectList = SubPackage->Package.Elements;
 
        /* Check for minimum required element count */
 
        if (SubPackage->Package.Count < 4)
        {
            continue;
        }
 
        /*
         * If the BIOS has erroneously reversed the _PRT SourceName (index 2)
         * and the SourceIndex (index 3), fix it. _PRT is important enough to
         * workaround this BIOS error. This also provides compatibility with
         * other ACPI implementations.
         */
        ObjDesc = SubObjectList[3];
        if (!ObjDesc || (ObjDesc->Common.Type != ACPI_TYPE_INTEGER))
        {
            SubObjectList[3] = SubObjectList[2];
            SubObjectList[2] = ObjDesc;
            Info->ReturnFlags |= ACPI_OBJECT_REPAIRED;
 
            ACPI_WARN_PREDEFINED ((AE_INFO,
                Info->FullPathname, Info->NodeFlags,
                "PRT[%X]: Fixed reversed SourceName and SourceIndex",
                Index));
        }
    }
 
    return (AE_OK);
}

AcpiNsRepair_PSS()

static ACPI_STATUS AcpiNsRepair_PSS ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 752 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_OPERAND_OBJECT     **OuterElements;
    UINT32                  OuterElementCount;
    ACPI_OPERAND_OBJECT     **Elements;
    ACPI_OPERAND_OBJECT     *ObjDesc;
    UINT32                  PreviousValue;
    ACPI_STATUS             Status;
    UINT32                  i;
 
 
    /*
     * Entries (subpackages) in the _PSS Package must be sorted by power
     * dissipation, in descending order. If it appears that the list is
     * incorrectly sorted, sort it. We sort by CpuFrequency, since this
     * should be proportional to the power.
     */
    Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 6, 0,
        ACPI_SORT_DESCENDING, "CpuFrequency");
    if (ACPI_FAILURE (Status))
    {
        return (Status);
    }
 
    /*
     * We now know the list is correctly sorted by CPU frequency. Check if
     * the power dissipation values are proportional.
     */
    PreviousValue = ACPI_UINT32_MAX;
    OuterElements = ReturnObject->Package.Elements;
    OuterElementCount = ReturnObject->Package.Count;
 
    for (i = 0; i < OuterElementCount; i++)
    {
        Elements = (*OuterElements)->Package.Elements;
        ObjDesc = Elements[1]; /* Index1 = PowerDissipation */
 
        if ((UINT32) ObjDesc->Integer.Value > PreviousValue)
        {
            ACPI_WARN_PREDEFINED ((AE_INFO,
                Info->FullPathname, Info->NodeFlags,
                "SubPackage[%u,%u] - suspicious power dissipation values",
                i-1, i));
        }
 
        PreviousValue = (UINT32) ObjDesc->Integer.Value;
        OuterElements++;
    }
 
    return (AE_OK);
}

AcpiNsRepair_TSS()

static ACPI_STATUS AcpiNsRepair_TSS ( ACPI_EVALUATE_INFO *  Info, ACPI_OPERAND_OBJECT **  ReturnObjectPtr  )

static

Definition at line 824 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
    ACPI_STATUS             Status;
    ACPI_NAMESPACE_NODE     *Node;
 
 
    /*
     * We can only sort the _TSS return package if there is no _PSS in the
     * same scope. This is because if _PSS is present, the ACPI specification
     * dictates that the _TSS Power Dissipation field is to be ignored, and
     * therefore some BIOSs leave garbage values in the _TSS Power field(s).
     * In this case, it is best to just return the _TSS package as-is.
     * (May, 2011)
     */
    Status = AcpiNsGetNode (Info->Node, "^_PSS",
        ACPI_NS_NO_UPSEARCH, &Node);
    if (ACPI_SUCCESS (Status))
    {
        return (AE_OK);
    }
 
    Status = AcpiNsCheckSortedList (Info, ReturnObject, 0, 5, 1,
        ACPI_SORT_DESCENDING, "PowerDissipation");
 
    return (Status);
}

AcpiNsSortList()

static void AcpiNsSortList ( ACPI_OPERAND_OBJECT **  Elements, UINT32  Count, UINT32  Index, UINT8  SortDirection  )

static

Definition at line 996 of file nsrepair2.c.

{
    ACPI_OPERAND_OBJECT     *ObjDesc1;
    ACPI_OPERAND_OBJECT     *ObjDesc2;
    ACPI_OPERAND_OBJECT     *TempObj;
    UINT32                  i;
    UINT32                  j;
 
 
    /* Simple bubble sort */
 
    for (i = 1; i < Count; i++)
    {
        for (j = (Count - 1); j >= i; j--)
        {
            ObjDesc1 = Elements[j-1]->Package.Elements[Index];
            ObjDesc2 = Elements[j]->Package.Elements[Index];
 
            if (((SortDirection == ACPI_SORT_ASCENDING) &&
                    (ObjDesc1->Integer.Value > ObjDesc2->Integer.Value)) ||
 
                ((SortDirection == ACPI_SORT_DESCENDING) &&
                    (ObjDesc1->Integer.Value < ObjDesc2->Integer.Value)))
            {
                TempObj = Elements[j-1];
                Elements[j-1] = Elements[j];
                Elements[j] = TempObj;
            }
        }
    }
}

Referenced by AcpiNsCheckSortedList().

Variable Documentation

AcpiNsRepairableNames

const ACPI_REPAIR_INFO AcpiNsRepairableNames[]

static

Initial value:

=
{
    {"_ALR", AcpiNsRepair_ALR},
    {"_CID", AcpiNsRepair_CID},
    {"_CST", AcpiNsRepair_CST},
    {"_FDE", AcpiNsRepair_FDE},
    {"_GTM", AcpiNsRepair_FDE},     
    {"_HID", AcpiNsRepair_HID},
    {"_PRT", AcpiNsRepair_PRT},
    {"_PSS", AcpiNsRepair_PSS},
    {"_TSS", AcpiNsRepair_TSS},
    {{0,0,0,0}, NULL}               
}

Definition at line 167 of file nsrepair2.c.

Referenced by AcpiNsMatchComplexRepair().